DE2612440B2 - Umweltfreundliches Verfahren zur Herstellung von neutralem Calciumhypochlorit mit einem hohen Gehalt an aktivem Chlor - Google Patents
Umweltfreundliches Verfahren zur Herstellung von neutralem Calciumhypochlorit mit einem hohen Gehalt an aktivem ChlorInfo
- Publication number
- DE2612440B2 DE2612440B2 DE2612440A DE2612440A DE2612440B2 DE 2612440 B2 DE2612440 B2 DE 2612440B2 DE 2612440 A DE2612440 A DE 2612440A DE 2612440 A DE2612440 A DE 2612440A DE 2612440 B2 DE2612440 B2 DE 2612440B2
- Authority
- DE
- Germany
- Prior art keywords
- hypochlorite
- mother liquor
- dibasic
- neutral
- suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 50
- 230000007935 neutral effect Effects 0.000 title claims description 49
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 title claims description 46
- 239000000460 chlorine Substances 0.000 title claims description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims description 18
- 229910052801 chlorine Inorganic materials 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 190
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 179
- 239000011780 sodium chloride Substances 0.000 claims description 94
- 239000012452 mother liquor Substances 0.000 claims description 75
- 239000000725 suspension Substances 0.000 claims description 62
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 43
- 238000005660 chlorination reaction Methods 0.000 claims description 23
- 239000013078 crystal Substances 0.000 claims description 23
- 238000005188 flotation Methods 0.000 claims description 20
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 13
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 13
- 239000004571 lime Substances 0.000 claims description 13
- LTAFUYCOQAJRBT-UHFFFAOYSA-J tricalcium;tetrahydroxide;dihypochlorite Chemical compound [OH-].[OH-].[OH-].[OH-].[Ca+2].[Ca+2].[Ca+2].Cl[O-].Cl[O-] LTAFUYCOQAJRBT-UHFFFAOYSA-J 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- 238000005119 centrifugation Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 239000008396 flotation agent Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000007900 aqueous suspension Substances 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- 239000011575 calcium Substances 0.000 description 70
- 229910052791 calcium Inorganic materials 0.000 description 37
- 239000007787 solid Substances 0.000 description 18
- 239000000920 calcium hydroxide Substances 0.000 description 12
- 235000011116 calcium hydroxide Nutrition 0.000 description 12
- 239000006260 foam Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 239000005708 Sodium hypochlorite Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000005352 clarification Methods 0.000 description 3
- 238000011081 inoculation Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 229910019093 NaOCl Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 235000017168 chlorine Nutrition 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- -1 fatty alcohol sulfate Chemical class 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000007966 viscous suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/064—Hypochlorites of alkaline-earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Detergent Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7510687A FR2305387A1 (fr) | 1975-03-27 | 1975-03-27 | Procede non polluant de fabrication d'hypochlorite neutre de calcium a haut titre en chlore actif |
| FR7529461A FR2326379A1 (fr) | 1975-09-19 | 1975-09-19 | Procede non polluant de fabrication d'hypochlorite neutre de calcium a haut titre en chlore actif |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2612440A1 DE2612440A1 (de) | 1976-10-14 |
| DE2612440B2 true DE2612440B2 (de) | 1979-03-29 |
| DE2612440C3 DE2612440C3 (enrdf_load_stackoverflow) | 1979-11-15 |
Family
ID=26218816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2612440A Granted DE2612440B2 (de) | 1975-03-27 | 1976-03-24 | Umweltfreundliches Verfahren zur Herstellung von neutralem Calciumhypochlorit mit einem hohen Gehalt an aktivem Chlor |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0131713A1 (en) * | 1983-06-15 | 1985-01-23 | Olin Corporation | An improved process for calcium hypochlorite |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL168192C (nl) * | 1975-03-27 | 1982-03-16 | Potasse & Produits Chimiques | Werkwijze voor het bereiden van neutraal calciumhypochloriet. |
| US4328200A (en) * | 1981-06-01 | 1982-05-04 | Ppg Industries, Inc. | Process for producing calcium hypochlorite |
| US4390512A (en) * | 1981-06-01 | 1983-06-28 | Ppg Industries, Inc. | Process for producing calcium hypochlorite |
| DE3267052D1 (en) * | 1982-02-04 | 1985-11-28 | Olin Corp | An improved process for calcium hypochlorite production |
| US4428919A (en) | 1982-05-03 | 1984-01-31 | Ppg Industries, Inc. | Method for separating particulate calcium hypochlorite and sodium chloride |
| US4448759A (en) * | 1982-05-03 | 1984-05-15 | Ppg Industries, Inc. | Method for separating particulate calcium hypochlorite and sodium chloride |
| US4478170A (en) * | 1983-07-05 | 1984-10-23 | Olin Corporation | Spray grainer |
| US4483842A (en) * | 1983-08-01 | 1984-11-20 | Ppg Industries, Inc. | Method for removing dibasic calcium hypochlorite scale |
| US4483715A (en) * | 1983-08-01 | 1984-11-20 | Ppg Industries, Inc. | Method for removing dibasic calcium hypochlorite scale |
| US4478171A (en) * | 1983-09-02 | 1984-10-23 | Olin Corporation | Variably displaceable spray nozzles |
| US4570567A (en) * | 1983-09-30 | 1986-02-18 | Olin Corporation | Air classification in a spray grainer |
| JPH06507881A (ja) * | 1991-05-30 | 1994-09-08 | オリン コーポレイション | 濃次亜塩素酸溶液からの次亜塩素酸カルシウムの製造方法 |
| CN109336056A (zh) * | 2018-11-20 | 2019-02-15 | 国家海洋局天津海水淡化与综合利用研究所 | 一种钠法制备次氯酸钙的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1718284A (en) * | 1926-08-04 | 1929-06-25 | Mathieson Alkali Works Inc | Manufacture of calcium hypochlorite |
| US2320635A (en) * | 1940-01-23 | 1943-06-01 | Wyandotte Chemicals Corp | Manufacture of high test bleach |
| US2368042A (en) * | 1942-01-21 | 1945-01-23 | Mathieson Alkali Works Inc | Process for producing neutral calcium hypochlorite |
| FR962242A (enrdf_load_stackoverflow) * | 1942-12-30 | 1950-06-07 | ||
| US2587071A (en) * | 1945-11-24 | 1952-02-26 | Pennsylvania Salt Mfg Co | Production of calcium hypochlorite |
| GB1301461A (enrdf_load_stackoverflow) * | 1970-01-05 | 1972-12-29 | ||
| GB1334728A (en) * | 1970-11-20 | 1973-10-24 | Nippon Soda Co | Process for producing high test hypochlorite |
| JPS5418238B2 (enrdf_load_stackoverflow) * | 1973-11-28 | 1979-07-05 | ||
| NL168192C (nl) * | 1975-03-27 | 1982-03-16 | Potasse & Produits Chimiques | Werkwijze voor het bereiden van neutraal calciumhypochloriet. |
-
1976
- 1976-03-16 NL NLAANVRAGE7602719,A patent/NL168192C/xx not_active IP Right Cessation
- 1976-03-24 AU AU12297/76A patent/AU499360B2/en not_active Expired
- 1976-03-24 DE DE2612440A patent/DE2612440B2/de active Granted
- 1976-03-25 CA CA248,863A patent/CA1089626A/en not_active Expired
- 1976-03-25 IT IT48712/76A patent/IT1057379B/it active
- 1976-03-25 JP JP51033053A patent/JPS51120995A/ja active Granted
- 1976-03-26 ES ES446397A patent/ES446397A1/es not_active Expired
- 1976-03-26 GB GB12328/76A patent/GB1544268A/en not_active Expired
- 1976-03-29 MX MX76164079A patent/MX143404A/es unknown
-
1980
- 1980-02-26 US US06/124,854 patent/US4258024A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0131713A1 (en) * | 1983-06-15 | 1985-01-23 | Olin Corporation | An improved process for calcium hypochlorite |
Also Published As
| Publication number | Publication date |
|---|---|
| US4258024A (en) | 1981-03-24 |
| ES446397A1 (es) | 1977-10-16 |
| JPS558921B2 (enrdf_load_stackoverflow) | 1980-03-06 |
| AU499360B2 (en) | 1979-04-12 |
| DE2612440C3 (enrdf_load_stackoverflow) | 1979-11-15 |
| CA1089626A (en) | 1980-11-18 |
| AU1229776A (en) | 1977-09-29 |
| MX143404A (es) | 1981-05-06 |
| NL7602719A (nl) | 1976-09-29 |
| GB1544268A (en) | 1979-04-19 |
| JPS51120995A (en) | 1976-10-22 |
| NL168192C (nl) | 1982-03-16 |
| IT1057379B (it) | 1982-03-10 |
| DE2612440A1 (de) | 1976-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |